﻿#region License
// TableDependency, SqlTableDependency
// Copyright (c) 2015-2020 Christian Del Bianco. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;

namespace TableDependency.SqlClient.Base.Messages
{
    public class Message
    {
        #region Properties

        public bool IsOldValue => this.MessageType.EndsWith("/old", StringComparison.InvariantCultureIgnoreCase); 
        public string MessageType { get; }
        public string Recipient { get; }
        public byte[] Body { get; }

        #endregion

        #region Constructors

        public Message(string messageType, byte[] body)
        {
            this.Recipient = this.GetRecipient(messageType);
            this.Body = body;
            this.MessageType = messageType;
        }

        #endregion

        #region Private methods

        private string GetRecipient(string rawMessageType)
        {
            var messageTypeTokens = rawMessageType.Split('/');

            return rawMessageType.EndsWith("/old", StringComparison.InvariantCultureIgnoreCase) 
                ? messageTypeTokens[messageTypeTokens.Length - 2] 
                : messageTypeTokens[messageTypeTokens.Length - 1];
        }

        #endregion
    }
}